Known for its chaotic and high-energy choreography, "Side Effects" is often cited as one of the group's most difficult dances.
"Side Effects" (부작용) by Stray Kids is a bold, experimental track from their 2019 special album, Clé 2: Yellow Wood . Produced by the group's internal trio (Bang Chan, Changbin, and Han) alongside TAK and 1Take, the song is a heavy departure from traditional K-pop, blending Psytrance and electronic-pop with intense, gritty energy. Stray Kids Side Effects
: Felix often highlights the "headache" (Meori apeuda) move and the addictive leg-wiggle sequence as the song's signature choreography. Musical Arrangements For musicians looking for sheet music or covers: Known for its chaotic and high-energy choreography, "Side